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Witness: Child joked about going in enclosure

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Witness: Child joked about going in enclosure00:10

After the boy slipped into the enclosure May 28, he had a 10-minute encounter with Harambe, a 450-pound gorilla. A witness told CNN the boy's mother was temporarily distracted by other children when the boy fell into the exhibit.

Harambe pulled the boy across a moat and was fatally shot by zoo personnel.

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Deters said the zoo lost "a beautiful animal" that was beloved in the community, "but it's still an animal. It does not equate human life."

Zoo: We had to shoot Harambe

Video shows Harambe standing next to the child and dragging him through the water. The zoo has staunchly defended its decision to shoot Harambe as necessary to protect the child.

Impact on the zoo

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The Cincinnati Zoo's Gorilla World exhibit is scheduled to reopen to the public Tuesday.

The zoo said it has raised the public barrier to 42 inches, added solid wood beams to the top and knotted rope netting to the bottom.

"Our exhibit goes above and beyond standard safety requirements, but in light of what happened, we have modified the outer public barrier to make entry even more difficult," said Thane Maynard, director of the Cincinnati Zoo, in a statement.

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Gorilla drags 3-year-old boy

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Gorilla drags 3-year-old boy00:10

Both the U.S. Department of Agriculture and the Association of Zoos and Aquariums have launched investigations into the Harambe episode.

The USDA, which inspects the zoo annually, will look into whether the facility was in compliance with a federal law that monitors the treatment of animals in research and exhibition. The Association of Zoos and Aquariums is the group that accredits zoos.

"In the case of this incident, which involved a child and a critically endangered animal, our collective goal is to take steps to assure it doesn't happen again," Kris Vehrs, the interim president and CEO of the zoo association, said in a statement.